======================================
| xx__-> [    9.133039][  T186] ------------[ cut here ]------------
| [    9.133257][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.133512][  T186] Modules linked in: veth
| [    9.133988][  T186] Tainted: [W]=WARN
[    9.134103][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.134279][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.134464][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.135006][  T186] RSP: 0018:ffa00000008b6e30 EFLAGS: 00010286
[    9.135192][  T186] RAX: 00000000ffffffa6 RBX: ff1100000aade740 RCX: 1ff4000000116d8c
[    9.135402][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aade7f8
[    9.135612][  T186] RBP: ff110000029a1000 R08: 1fe220000155bd00 R09: ff1100000d485180
[    9.135830][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.136049][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000893d900
[    9.136258][  T186] FS:  00007f91c2448840(0000) GS:ff11000093db0000(0000) knlGS:0000000000000000
[    9.136503][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.136684][  T186] CR2: 00007fdaa7951808 CR3: 000000000c167005 CR4: 0000000000771ef0
[    9.136908][  T186] PKRU: 55555554
[    9.137016][  T186] Call Trace:
[    9.137128][  T186]  <TASK>
[    9.137202][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.137379][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.137523][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.137630][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.137779][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.137930][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.138075][  T186]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.138214][  T186]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.138353][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.138492][  T186]  ? sysvec_call_function_single (arch/x86/kernel/smp.c:267 (discriminator 37) arch/x86/kernel/smp.c:267 (discriminator 37))
[    9.138666][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.138820][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.138963][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.139109][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.139282][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.139422][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.139561][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.139827][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.139969][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.140118][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.140257][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.140492][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.140633][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.140783][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.140922][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.141159][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.141303][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.141448][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.141591][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.141831][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.141971][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.142115][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.142253][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.142490][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.142631][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.142776][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.142918][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.143157][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.143295][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.143435][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.143575][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.143819][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.143960][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.144108][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.144251][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.144483][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.144625][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.144771][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.144914][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.145158][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.145300][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.145441][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.145588][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.145832][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.145972][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.146150][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.146295][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.146531][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.146672][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.146835][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.146975][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.147214][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.147354][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.147497][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.147640][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.147884][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.148030][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.148170][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.148309][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.148543][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.148717][  T186] RIP: 0033:0x7f91c268208e
[    9.148871][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.149474][  T186] RSP: 002b:00007fff6e35a8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.149789][  T186] RAX: ffffffffffffffda RBX: 00007fff6e35b048 RCX: 00007f91c268208e
[    9.150001][  T186] RDX: 0000000000000000 RSI: 00007fff6e35a960 RDI: 0000000000000005
[    9.150214][  T186] RBP: 00007fff6e35a8c0 R08: 0000000000000000 R09: 0000000000000000
[    9.150517][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ceeb
[    9.150725][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6e35b020
| [    9.162228][  T186] ------------[ cut here ]------------
| [    9.162385][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.162622][  T186] Modules linked in: veth
| [    9.163014][  T186] Tainted: [W]=WARN
[    9.163122][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.163290][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.163464][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.163955][  T186] RSP: 0018:ffa00000008b71b0 EFLAGS: 00010286
[    9.164133][  T186] RAX: 00000000ffffffa6 RBX: ff1100000c5c7000 RCX: 1ff4000000116dfc
[    9.164337][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c5c70b8
[    9.164538][  T186] RBP: ff1100000a214000 R08: 1fe22000018b8e18 R09: ff1100000d485180
[    9.164757][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.164962][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.165170][  T186] FS:  00007f91c2448840(0000) GS:ff11000093db0000(0000) knlGS:0000000000000000
[    9.165408][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.165581][  T186] CR2: 00007fdaa7951808 CR3: 000000000c167005 CR4: 0000000000771ef0
[    9.165849][  T186] PKRU: 55555554
[    9.165950][  T186] Call Trace:
[    9.166115][  T186]  <TASK>
[    9.166187][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.166326][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.166430][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.166568][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.166705][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.166903][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.167046][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.167183][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.167320][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.167455][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.167591][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.167735][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.167936][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.168079][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.168218][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.168356][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.168491][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.168627][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.168820][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.168958][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.169099][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.169234][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.169370][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.169506][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.169645][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.169792][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.169932][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.170072][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.170209][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.170349][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.170484][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.170623][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.170766][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.170908][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.171051][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.171189][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.171326][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.171464][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.171604][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.171745][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.171917][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.172067][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.172203][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.172340][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.172490][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.172627][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.172769][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.172999][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.173232][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.173369][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.173504][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.173642][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.173787][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.173922][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.174065][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.174235][  T186] RIP: 0033:0x7f91c268208e
[    9.174482][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.174976][  T186] RSP: 002b:00007fff6e35a8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.175185][  T186] RAX: ffffffffffffffda RBX: 00007fff6e35b048 RCX: 00007f91c268208e
[    9.175387][  T186] RDX: 0000000000000000 RSI: 00007fff6e35a960 RDI: 0000000000000005
[    9.175590][  T186] RBP: 00007fff6e35a8c0 R08: 0000000000000000 R09: 0000000000000000
[    9.175800][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ceeb
[    9.176005][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6e35b020
| [    9.315225][  T191] ------------[ cut here ]------------
| [    9.315462][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/191
| [    9.315813][  T191] Modules linked in: veth
| [    9.316330][  T191] Tainted: [W]=WARN
[    9.316486][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.316714][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.317226][  T191] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.317785][  T191] RSP: 0018:ffa00000008b6e30 EFLAGS: 00010286
[    9.318018][  T191] RAX: 00000000ffffffa6 RBX: ff1100000c73c200 RCX: 1ff4000000116d8c
[    9.318314][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c73c2b8
[    9.318575][  T191] RBP: ff11000008964000 R08: 1fe22000018e7858 R09: ff1100000ccd8b80
[    9.318858][  T191] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.319127][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009004080
[    9.319386][  T191] FS:  00007f6cc544c840(0000) GS:ff11000093eb0000(0000) knlGS:0000000000000000
[    9.319687][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.319935][  T191] CR2: 000000000042ebe0 CR3: 000000000c24d004 CR4: 0000000000771ef0
[    9.320209][  T191] PKRU: 55555554
[    9.320391][  T191] Call Trace:
[    9.320546][  T191]  <TASK>
[    9.320669][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.320883][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.321084][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.321319][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.321510][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.321701][  T191]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.321907][  T191]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.322103][  T191]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.322295][  T191]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.322486][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.322681][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.322894][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.323091][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.323284][  T191]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.323477][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[    9.323671][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.323915][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.324111][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.324305][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.324514][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.324704][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.324912][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.325111][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.325302][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.325495][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.325687][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.325899][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.326097][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.326294][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.326491][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.326685][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.326991][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.327191][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.327483][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.327678][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.327891][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.328100][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.328292][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.328485][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.328675][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.328887][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.329095][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.329285][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.329484][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.329675][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.329920][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.330223][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.330411][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.330605][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.330820][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.331011][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.331214][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.331411][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.331607][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.331818][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.332012][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.332248][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.332473][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.332671][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.332885][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.333084][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.333285][  T191]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.333478][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.333676][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.333890][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.334094][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.334618][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.334830][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.335023][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.335323][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.335677][  T191] RIP: 0033:0x7f6cc568608e
[    9.335895][  T191] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.336452][  T191] RSP: 002b:00007ffe864f9840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.336718][  T191] RAX: ffffffffffffffda RBX: 00007ffe864f9fd8 RCX: 00007f6cc568608e
[    9.337100][  T191] RDX: 0000000000000000 RSI: 00007ffe864f98f0 RDI: 0000000000000005
[    9.337459][  T191] RBP: 00007ffe864f9850 R08: 0000000000000000 R09: 0000000000000000
[    9.337721][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ceeb
[    9.338002][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe864f9fb0
| [    9.392256][  T191] ------------[ cut here ]------------
| [    9.392512][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/191
| [    9.392817][  T191] Modules linked in: veth
| [    9.393304][  T191] Tainted: [W]=WARN
[    9.393455][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.393672][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.394016][  T191] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.394665][  T191] RSP: 0018:ffa00000008b71b0 EFLAGS: 00010286
[    9.395009][  T191] RAX: 00000000ffffffa6 RBX: ff11000008d983c0 RCX: 1ff4000000116dfc
[    9.395354][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008d98478
[    9.395707][  T191] RBP: ff110000087d4000 R08: 1fe22000011b3090 R09: ff1100000ccd8b80
[    9.396070][  T191] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.396417][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.396782][  T191] FS:  00007f6cc544c840(0000) GS:ff11000093eb0000(0000) knlGS:0000000000000000
[    9.397155][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.397452][  T191] CR2: 000000000042ebe0 CR3: 000000000c24d004 CR4: 0000000000771ef0
[    9.397807][  T191] PKRU: 55555554
[    9.398043][  T191] Call Trace:
[    9.398274][  T191]  <TASK>
[    9.398486][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.398707][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.398872][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.399065][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.399248][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.399434][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.399621][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.399827][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.400012][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.400202][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.400385][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.400575][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.400778][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.400970][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.401161][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.401346][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.401528][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.401712][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.401918][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.402111][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.402291][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.402475][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.402657][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.402893][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.403116][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.403310][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.403495][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.403678][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.403880][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.404078][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.404260][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.404446][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.404635][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.404839][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.405026][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.405224][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.405410][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.405599][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.405797][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.405980][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.406209][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.406398][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.406582][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.406779][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.406976][  T191]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.407185][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.407377][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.407566][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.407770][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.407963][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.408179][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.408382][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.408588][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.408832][  T191] RIP: 0033:0x7f6cc568608e
[    9.409026][  T191] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.409561][  T191] RSP: 002b:00007ffe864f9840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.409841][  T191] RAX: ffffffffffffffda RBX: 00007ffe864f9fd8 RCX: 00007f6cc568608e
[    9.410100][  T191] RDX: 0000000000000000 RSI: 00007ffe864f98f0 RDI: 0000000000000005
[    9.410350][  T191] RBP: 00007ffe864f9850 R08: 0000000000000000 R09: 0000000000000000
[    9.410602][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ceeb


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink